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Click to increase image sizeClick to decrease image sizeThis article refers to:Everything should be as simple as possible, but no simpler: towards a protocol for accumulating evidence regarding the active content of health behaviour change interventions Notes1. Peters et al. (Citation2013) stated HIV prevention interventions' 'effectiveness decreased with epidemic duration' (p. 6), citing a meta-analysis of 29 interventions (Lacroix, Pellowski, Lennon, & Johnson, Citation2013) that focused on administration of intervention content to couples in romantic relationships rather than the more typical target of individuals regardless of relationship status. Meta-analyses that evaluate temporal trends only rarely find significant changes in HIV prevention interventions' success, including the Johnson et al. (Citation2011) meta-analysis cited here, which examined 67 studies with 98 interventions focused on individual adolescents.
Michie et al. (Wed,) studied this question.